BOURBONNAIS — Quarterback Jay Cutler leads the Chicago Bears offense into the new season shouldering the pressure of getting things to gel quickly.

But it’s the offensive line that holds Cutler’s fate on its shoulders, and one guy in particular could bring it all crashing down.

Roberto Garza and J’Marcus Webb are the only two back who were a part of what is widely considered a disastrous four-season stretch on the offensive line. And while Garza, the team’s clear starting center, is looked at as a leader and a solid producer, Webb’s skill-set has been questioned for his entire three-year pro career.

He most likely has one more chance to earn a job, to earn respect in the Bears’ locker room, and to earn respect throughout the league. And he’s going to have to earn that last shot at this month’s training camp in Bourbonnais.

“There’s a lot more accountability in how I have to play to the best of my ability every single down and be physical, and really emphasize the protection of the quarterback,” Webb said after Thursday’s practice which he spent shifting from left to right tackle throughout. “There’s more emphasis on technique, knowing that I’ve played a few years.”

His play over those years has been sporatic at best.

Cutler has been sacked an average of 37 times per season since joining the Bears in 2009, and Chicago has not given up fewer than 35 in that span. The Bears have allowed a sack once every 11.9 dropbacks since the start of 2011, the second-worst rate in the NFL.

And Webb has started 32 consecutive games at left tackle for Chicago.

Former Saints Pro Bowler Jermon Bushrod was brought in during the offseason to protect Cutler’s blindside, and Webb has been given a shot at winning the right tackle spot, where he has been slotted most of this offseason. Injuries to Bushrod and fellow tackle Jonathan Scott have forced Webb to move around during the first week of training camp, which he hopes will help highlight his versatility.

“We’re just trying to find the best five,” new Bears head coach Marc Trestman said. “The injury situation, we can turn a negative into a positive by working guys at different positions and see where we might be in the season. We’ve still got eight or nine practices here before we leave, and we’ll use every day to try to get better there.”

They are all quick to point out that pass protection has always been a focus with this group, but they also realize there has been more of an emphasis placed in that department since the new coaching regime rolled in.

And many believe it is already working, though it’s hard to tell in camp practice, when defenders are not allowed to sack the quarterback or finish a tackle.

When asked if this new offense is better suited to succeed even if the line has trouble, wide receiver Brandon Marshall glared, and answered: “We won’t have trouble. Next question.”

Julius Peppers, a veteran defensive end who goes up against Webb and the Bears O-line every day in practice, replied “Yeah, yeah, yeah, yeah, they’re doing well” when asked if the guys opposite him are stepping up.

“It’s our job to get them better and they’re job to get us better, so we’re up against those guys every day, and we’re all getting better at the same time.”

When it comes to the O-line, there’s still a lot of room to grow.

“It’s going to take time,” Cutler said, “but we all know where we’ve got to improve.”

We, including Webb.

“I’ve got to step up,” Webb said, “I know, everybody has to be on the same page. We have to be.”